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Differential Pressure

eYc PHM33 Industrial grade differential pressure transmitter

‧ The principle of differential pressure transmitter is measuring trace of differential pressure, the air through pressure in and pressure out, PCB will transduce it to differential pressure signal.
‧ Silicon chips on Thermo Differential Pressure Module of MEMS integration technology
‧ Off set function by bottom / UI software
‧ Low-pressure monitoring, high pressure bearable
‧ Option RS-485 communication interface, Modbus RTU protocol
‧ DIP switch output and range
‧ Physical switch：mbar / Pa / hPa / kPa / mmH2O / mmWS / inH2O / mmHg
‧ Square root function

Range
0...500 pa
Output
0-20mA／4-20mA ／ 0-1V／0-5V／1-5V／2-10V ／0~10V
Input type
Thermo Differential Pressure Module
Accuracy(at 25℃)
± 0.5 % of F.S.
Signal connection
三線式
Load resistance ( current output )
4~20mA ＜ 500Ω / 0~10V ≧ 10KΩP
Power supply
8~35VDC/12~30VAC
Protect rating
IP 65Range
0...500 pa
Output
0-20mA／4-20mA ／ 0-1V／0-5V／1-5V／2-10V ／0~10V
Input type
Thermo Differential Pressure Module
Accuracy(at 25℃)
± 0.5 % of F.S.
Signal connection
三線式
Load resistance ( current output )
4~20mA ＜ 500Ω / 0~10V ≧ 10KΩP
Power supply
8~35VDC/12~30VAC
Protect rating
IP 65

Monitor differential pressure of Cleanroom / Hospital / Air duct / Filter environment and monitor air flow

eYc PMD33/34 Differential Pressure Transmitter

● Silicon chips on Differential Pressure Module of MEMS integration technology
● Off set function by bottom / UI software
● Low-pressure monitoring, high pressure bearable
● Option RS-485 communication interface, Modbus RTU protocol
● DIP switch output and range
● Physical switch：mbar / Pa / hPa / kPa / mmH2O / mmWS / inH2O / mmHg
● Square root function
● Application Field ─ monitor differential pressure of Cleanroom / hospital / air duct / filter environment and monitor air flow

Measuring range
± 50 ... ± 7500 pa
Output
0-20mA／4-20mA ／ 0-1V／0-5V／1-5V／2-10V ／0~10V
Proof pressure
± 50 ... ± 250 pa : 0.25 bar；± 300 ... ± 7500 pa : 0.5 bar
Burst Pressure
± 50 ... ± 250 pa : 0.25 bar；± 300 ... ± 7500 pa : 0.5 bar
Linear accuracy (at 25℃)
± 1.0 % of F.S.
Signal connection
3-wire
Load resistance
current output : 4~20mA ＜ 500Ω / 0~10V ≧ 10KΩ
Power supply
8~35VDC/12~30VAC
Protect degree
IP 65

eYc P064 Monocrystalline Differential Pressure Transmitter

P064 monocrystalline silicon differential pressure transmitter using the most advanced silicon pressure sensor technology, Have an advantage over many high-performance differential pressure transmitter,internal circuit is flexibility and has protection to withstand transient voltage. To ensure that P064 monocrystalline silicon differential pressure transmitter can calmly deal with extreme chemical and mechanical loading, at the same time has a strong ability to resist electromagnetic interference, suitable for harsh environmental of industry

Measuring range
0.1～100 BAR
Accuracy
0.1 %F.S.
Output
4 ... 20mA
Type
Differential Pressure
Power supply
24 VDC
Full load voltage
60 ... 140 mV（0.03 bar：50 ... 120 mV）
Nonlinear error
<± 0.3 %F.S.（0.1 bar≤ sensitive element range ≤ 0.1 bar）
<± 1.3 %F.S.（sensitive element range < 0.1 bar）
Static pressure effect
<± 0.1 %F.S. / 0.1 bar（0.1 bar ≤ sensitive element range ≤ 0.1 bar）
<± 0.15%F.S. / 0.1 bar（sensitive element range ≤ 0.1 bar）
Protection rating
IP65
CE

▪ Monosilicon technology
▪ Anti-electromagnetic interference
▪ Instantaneous voltage protection
▪ Metal housing, resistant to high pressure
▪ and high temperature
▪ Long-term stability
▪ High accuracy and fast response time
▪ CE certification

▪ Process control system, Environmental control
▪ Flow control, Hydraulic and Pneumatic equipment
▪ Petrochemical industry, Chemical industry
▪ Food and pharmaceutical industry

eYc P063 Piezoresistive Differential Pressure Transmitter

EYC P063's output signal from Weston Bridge on the sensing die has a good linear relationship with differential pressure, so the measured differential pressure could be measured precisely. The whole product is used for differential pressure measurement of various gases and liquids in pipeline in many fields including petroleum, chemi-industry, power station and hydrology, etc.

Measuring Range
0～20 BAR
Accuracy
± 0.5 % of F.S.
Output
4 ... 20mA
Sensor Type
Piezoresistive diaphragm
Load Resistance ( current output )
≦ ( power supply - 10V ) / 0.02A Ω
Output Calibration ( ZERO & SPAN )
± 10 % of zero-point and full-scale
Power Supply
10∼30VDC
Protection Rating
DIN 43650 : IP65
M12 - 4 PIN metal connector : IP67

• Using piezoresistive differential pressure sensor, 316L isolated diaphragm
• Welding and full-sealed construction, full stainless housing, compact size, easy installation
• Well overload capacity and shock effect, nicer long-term stability with reasonable price

• Measuring differential pressure for liquid and gas
• For research and development, laboratory, and processing engineering
• Mechanical equipment, water plant, air equipment, chiller unit
• Differential pressure measurement of gases and liquids in pipelines such as petroleum, chemi-industry, power station and hydrology, etc.

eYc PMM33/34 Differential Pressure Transmitter

● The principle of differential pressure transmitter is measuring trace of differential pressure, the air through pressure in and pressure out, PCB will transduce it to differential pressure signal.
● Silicon chips on Thermo Differential Pressure Module of MEMS integration technology
● Off set function by bottom / UI software
● Low-pressure monitoring, high pressure bearable
● Option RS-485 communication interface, Modbus RTU protocol
● DIP switch output and range
● Physical switch：mbar / Pa / hPa / kPa / mmH2O / mmWS / inH2O / mmHg
● Square root function
● Application Field ─ monitor differential pressure of Cleanroom / hospital / air duct / filter environment and monitor air flow

Measuring range
0...500pa
Output
0-20mA／4-20mA ／ 0-1V／0-5V／1-5V／2-10V ／0~10V
Proof pressure
2bar
Burst Pressure
5bar
Linear accuracy (at 25℃)
± 3.0 % of F.S.
Signal connection
3-wire
Load resistance
current output : 4~20mA ＜ 500Ω / 0~10V ≧ 10KΩ
Power supply
8~35VDC/12~30VAC
Protect degree
IP 65